diff --git a/.release-it.json b/.release-it.json
index 93f9ec7b..2521416c 100644
--- a/.release-it.json
+++ b/.release-it.json
@@ -7,6 +7,6 @@
   },
   "hooks": {
     "after:bump": "npm run build",
-    "after:release": "echo Successfully released ${name} v${version} to ${repo.repository}."
+    "after:release": "echo Successfully released ${name} v${version}."
   }
 }
diff --git a/example/.gitignore b/example/.gitignore
index 4d29575d..43d022f7 100644
--- a/example/.gitignore
+++ b/example/.gitignore
@@ -21,3 +21,5 @@
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
+
+/src_oldapi
\ No newline at end of file
diff --git a/example/package-lock.json b/example/package-lock.json
index 3560909a..520b9afe 100644
--- a/example/package-lock.json
+++ b/example/package-lock.json
@@ -27,7 +27,7 @@
     },
     "..": {
       "name": "react-flow-renderer",
-      "version": "9.6.7",
+      "version": "9.6.8",
       "license": "MIT",
       "dependencies": {
         "@babel/runtime": "^7.15.4",
diff --git a/example/src/FloatingEdges/FloatingConnectionLine.tsx b/example/src/FloatingEdges/FloatingConnectionLine.tsx
new file mode 100644
index 00000000..ef202589
--- /dev/null
+++ b/example/src/FloatingEdges/FloatingConnectionLine.tsx
@@ -0,0 +1,42 @@
+import { FC } from 'react';
+import { getBezierPath, ConnectionLineComponentProps, Node } from 'react-flow-renderer';
+
+import { getEdgeParams } from './utils';
+
+const FloatingConnectionLine: FC<ConnectionLineComponentProps> = ({
+  targetX,
+  targetY,
+  sourcePosition,
+  targetPosition,
+  sourceNode,
+}) => {
+  if (!sourceNode) {
+    return null;
+  }
+
+  const targetNode = {
+    id: 'connection-target',
+    width: 1,
+    height: 1,
+    position: { x: targetX, y: targetY },
+  } as Node;
+
+  const { sx, sy } = getEdgeParams(sourceNode, targetNode);
+  const d = getBezierPath({
+    sourceX: sx,
+    sourceY: sy,
+    sourcePosition,
+    targetPosition,
+    targetX,
+    targetY,
+  });
+
+  return (
+    <g>
+      <path fill="none" stroke="#222" strokeWidth={1.5} className="animated" d={d} />
+      <circle cx={targetX} cy={targetY} fill="#fff" r={3} stroke="#222" strokeWidth={1.5} />
+    </g>
+  );
+};
+
+export default FloatingConnectionLine;
diff --git a/example/src/FloatingEdges/FloatingEdge.tsx b/example/src/FloatingEdges/FloatingEdge.tsx
new file mode 100644
index 00000000..a163fcbe
--- /dev/null
+++ b/example/src/FloatingEdges/FloatingEdge.tsx
@@ -0,0 +1,36 @@
+import { FC, useMemo, CSSProperties } from 'react';
+import { EdgeProps, useStore, getBezierPath, ReactFlowState } from 'react-flow-renderer';
+
+import { getEdgeParams } from './utils';
+
+const nodeSelector = (s: ReactFlowState) => s.nodes;
+
+const FloatingEdge: FC<EdgeProps> = ({ id, source, target, style }) => {
+  const nodes = useStore(nodeSelector);
+
+  const sourceNode = useMemo(() => nodes.find((n) => n.id === source), [source, nodes]);
+  const targetNode = useMemo(() => nodes.find((n) => n.id === target), [target, nodes]);
+
+  if (!sourceNode || !targetNode) {
+    return null;
+  }
+
+  const { sx, sy, tx, ty, sourcePos, targetPos } = getEdgeParams(sourceNode, targetNode);
+
+  const d = getBezierPath({
+    sourceX: sx,
+    sourceY: sy,
+    sourcePosition: sourcePos,
+    targetPosition: targetPos,
+    targetX: tx,
+    targetY: ty,
+  });
+
+  return (
+    <g className="react-flow__connection">
+      <path id={id} className="react-flow__edge-path" d={d} style={style as CSSProperties} />
+    </g>
+  );
+};
+
+export default FloatingEdge;
diff --git a/example/src/FloatingEdges/index.tsx b/example/src/FloatingEdges/index.tsx
new file mode 100644
index 00000000..8ec3ebc2
--- /dev/null
+++ b/example/src/FloatingEdges/index.tsx
@@ -0,0 +1,65 @@
+import { useState, useCallback } from 'react';
+
+import ReactFlow, {
+  addEdge,
+  Background,
+  OnLoadParams,
+  EdgeTypesType,
+  Node,
+  Connection,
+  Edge,
+  applyNodeChanges,
+  applyEdgeChanges,
+  NodeChange,
+  EdgeChange,
+} from 'react-flow-renderer';
+
+import './style.css';
+
+import FloatingEdge from './FloatingEdge';
+import FloatingConnectionLine from './FloatingConnectionLine';
+import { createElements } from './utils';
+
+const onLoad = (reactFlowInstance: OnLoadParams) => reactFlowInstance.fitView();
+
+const { nodes: initialNodes, edges: initialEdges } = createElements();
+
+const edgeTypes: EdgeTypesType = {
+  floating: FloatingEdge,
+};
+
+const FloatingEdges = () => {
+  const [nodes, setNodes] = useState<Node[]>(initialNodes);
+  const [edges, setEdges] = useState<Edge[]>(initialEdges);
+
+  const onConnect = useCallback((params: Edge | Connection) => {
+    setEdges((eds) => addEdge(params, eds));
+  }, []);
+
+  const onNodesChange = useCallback((changes: NodeChange[]) => {
+    setNodes((ns) => applyNodeChanges(changes, ns));
+  }, []);
+
+  const onEdgesChange = useCallback((changes: EdgeChange[]) => {
+    setEdges((es) => applyEdgeChanges(changes, es));
+  }, []);
+
+  return (
+    <div className="floatingedges">
+      <ReactFlow
+        nodes={nodes}
+        edges={edges}
+        onNodesChange={onNodesChange}
+        onEdgesChange={onEdgesChange}
+        onConnect={onConnect}
+        onLoad={onLoad}
+        edgeTypes={edgeTypes}
+        connectionLineComponent={FloatingConnectionLine}
+      >
+        <Background />
+      </ReactFlow>
+    </div>
+  );
+};
+
+export default FloatingEdges;
diff --git a/example/src/FloatingEdges/style.css b/example/src/FloatingEdges/style.css
new file mode 100644
index 00000000..052fedb8
--- /dev/null
+++ b/example/src/FloatingEdges/style.css
@@ -0,0 +1,9 @@
+.floatingedges {
+  flex-direction: column;
+  display: flex;
+  height: 100%;
+}
+
+.floatingedges .react-flow__handle {
+  opacity: 0;
+}
diff --git a/example/src/FloatingEdges/utils.ts b/example/src/FloatingEdges/utils.ts
new file mode 100644
index 00000000..eb8797d2
--- /dev/null
+++ b/example/src/FloatingEdges/utils.ts
@@ -0,0 +1,106 @@
+import { Position, ArrowHeadType, XYPosition, Node, Edge } from 'react-flow-renderer';
+
+// this helper function returns the intersection point
+// of the line between the center of the intersectionNode and the target node
+function getNodeIntersection(intersectionNode: Node, targetNode: Node): XYPosition {
+  // https://math.stackexchange.com/questions/1724792/an-algorithm-for-finding-the-intersection-point-between-a-center-of-vision-and-a
+
+  const {
+    width: intersectionNodeWidth,
+    height: intersectionNodeHeight,
+    position: intersectionNodePosition,
+  } = intersectionNode;
+  const targetPosition = targetNode.position;
+
+  const w = (intersectionNodeWidth ?? 0) / 2;
+  const h = (intersectionNodeHeight ?? 0) / 2;
+
+  const x2 = intersectionNodePosition.x + w;
+  const y2 = intersectionNodePosition.y + h;
+  const x1 = targetPosition.x + w;
+  const y1 = targetPosition.y + h;
+
+  const xx1 = (x1 - x2) / (2 * w) - (y1 - y2) / (2 * h);
+  const yy1 = (x1 - x2) / (2 * w) + (y1 - y2) / (2 * h);
+  const a = 1 / (Math.abs(xx1) + Math.abs(yy1));
+  const xx3 = a * xx1;
+  const yy3 = a * yy1;
+  const x = w * (xx3 + yy3) + x2;
+  const y = h * (-xx3 + yy3) + y2;
+
+  return { x, y };
+}
+
+// returns the position (top,right,bottom or right) passed node compared to the intersection point
+function getEdgePosition(node: Node, intersectionPoint: XYPosition) {
+  const n = { ...node.position, ...node };
+  const nx = Math.round(n.x);
+  const ny = Math.round(n.y);
+  const px = Math.round(intersectionPoint.x);
+  const py = Math.round(intersectionPoint.y);
+
+  if (px <= nx + 1) {
+    return Position.Left;
+  }
+  if (px >= nx + (n.width ?? 0) - 1) {
+    return Position.Right;
+  }
+  if (py <= ny + 1) {
+    return Position.Top;
+  }
+  if (py >= n.y + (n.height ?? 0) - 1) {
+    return Position.Bottom;
+  }
+
+  return Position.Top;
+}
+
+// returns the parameters (sx, sy, tx, ty, sourcePos, targetPos) you need to create an edge
+export function getEdgeParams(source: Node, target: Node) {
+  const sourceIntersectionPoint = getNodeIntersection(source, target);
+  const targetIntersectionPoint = getNodeIntersection(target, source);
+
+  const sourcePos = getEdgePosition(source, sourceIntersectionPoint);
+  const targetPos = getEdgePosition(target, targetIntersectionPoint);
+
+  return {
+    sx: sourceIntersectionPoint.x,
+    sy: sourceIntersectionPoint.y,
+    tx: targetIntersectionPoint.x,
+    ty: targetIntersectionPoint.y,
+    sourcePos,
+    targetPos,
+  };
+}
+
+type NodesAndEdges = {
+  nodes: Node[];
+  edges: Edge[];
+};
+
+export function createElements(): NodesAndEdges {
+  const nodes: Node[] = [];
+  const edges: Edge[] = [];
+
+  const center = { x: window.innerWidth / 2, y: window.innerHeight / 2 };
+
+  nodes.push({ id: 'target', data: { label: 'Target' }, position: center });
+
+  for (let i = 0; i < 8; i++) {
+    const degrees = i * (360 / 8);
+    const radians = degrees * (Math.PI / 180);
+    const x = 250 * Math.cos(radians) + center.x;
+    const y = 250 * Math.sin(radians) + center.y;
+
+    nodes.push({ id: `${i}`, data: { label: 'Source' }, position: { x, y } });
+
+    edges.push({
+      id: `edge-${i}`,
+      target: 'target',
+      source: `${i}`,
+      type: 'floating',
+    });
+  }
+
+  return { nodes, edges };
+}
diff --git a/example/src/index.tsx b/example/src/index.tsx
index 6e08eabd..60faf4c0 100644
--- a/example/src/index.tsx
+++ b/example/src/index.tsx
@@ -6,6 +6,7 @@ import Basic from './Basic';
 import UpdateNode from './UpdateNode';
 import Stress from './Stress';
 import CustomNode from './CustomNode';
+import FloatingEdges from './FloatingEdges';
 
 import './index.css';
 
@@ -26,6 +27,10 @@ const routes = [
     path: '/custom-node',
     component: CustomNode,
   },
+  {
+    path: '/floating-edges',
+    component: FloatingEdges,
+  },
 ];
 
 const Header = withRouter(({ history, location }) => {
diff --git a/example/src_oldapi/Edges/CustomEdge.tsx b/example/src_oldapi/Edges/CustomEdge.tsx
index f72ff831..9a3c4230 100644
--- a/example/src_oldapi/Edges/CustomEdge.tsx
+++ b/example/src_oldapi/Edges/CustomEdge.tsx
@@ -1,5 +1,5 @@
 import { FC } from 'react';
-import { EdgeProps, getBezierPath, getMarkerEnd } from 'react-flow-renderer';
+import { EdgeProps, getBezierPath } from 'react-flow-renderer';
 
 const CustomEdge: FC<EdgeProps> = ({
   id,
@@ -10,15 +10,12 @@ const CustomEdge: FC<EdgeProps> = ({
   sourcePosition,
   targetPosition,
   data,
-  arrowHeadType,
-  markerEndId,
 }) => {
   const edgePath = getBezierPath({ sourceX, sourceY, sourcePosition, targetX, targetY, targetPosition });
-  const markerEnd = getMarkerEnd(arrowHeadType, markerEndId);
 
   return (
     <>
-      <path id={id} className="react-flow__edge-path" d={edgePath} markerEnd={markerEnd} />
+      <path id={id} className="react-flow__edge-path" d={edgePath} />
       <text>
         <textPath href={`#${id}`} style={{ fontSize: '12px' }} startOffset="50%" textAnchor="middle">
           {data.text}
diff --git a/example/src_oldapi/Edges/CustomEdge2.tsx b/example/src_oldapi/Edges/CustomEdge2.tsx
index 361b7f92..63b010a9 100644
--- a/example/src_oldapi/Edges/CustomEdge2.tsx
+++ b/example/src_oldapi/Edges/CustomEdge2.tsx
@@ -1,5 +1,5 @@
 import { FC } from 'react';
-import { EdgeProps, getBezierPath, getMarkerEnd, EdgeText, getEdgeCenter } from 'react-flow-renderer';
+import { EdgeProps, getBezierPath, EdgeText, getEdgeCenter } from 'react-flow-renderer';
 
 const CustomEdge: FC<EdgeProps> = ({
   id,
@@ -10,11 +10,8 @@ const CustomEdge: FC<EdgeProps> = ({
   sourcePosition,
   targetPosition,
   data,
-  arrowHeadType,
-  markerEndId,
 }) => {
   const edgePath = getBezierPath({ sourceX, sourceY, sourcePosition, targetX, targetY, targetPosition });
-  const markerEnd = getMarkerEnd(arrowHeadType, markerEndId);
   const [centerX, centerY] = getEdgeCenter({
     sourceX,
     sourceY,
@@ -24,7 +21,7 @@ const CustomEdge: FC<EdgeProps> = ({
 
   return (
     <>
-      <path id={id} className="react-flow__edge-path" d={edgePath} markerEnd={markerEnd} />
+      <path id={id} className="react-flow__edge-path" d={edgePath} />
       <EdgeText
         x={centerX}
         y={centerY}
diff --git a/example/src_oldapi/Edges/index.tsx b/example/src_oldapi/Edges/index.tsx
index 39320c6d..1f04b388 100644
--- a/example/src_oldapi/Edges/index.tsx
+++ b/example/src_oldapi/Edges/index.tsx
@@ -41,6 +41,32 @@ const initialElements: Elements = [
   { id: 'e3-4', source: '3', target: '4', type: 'straight', label: 'straight edge' },
   { id: 'e3-3a', source: '3', target: '3a', type: 'straight', label: 'label only edge', style: { stroke: 'none' } },
   { id: 'e3-5', source: '4', target: '5', animated: true, label: 'animated styled edge', style: { stroke: 'red' } },
+  {
+    id: 'e5-7',
+    source: '5',
+    target: '7',
+    label: 'label with styled bg',
+    labelBgPadding: [8, 4],
+    labelBgBorderRadius: 4,
+    labelBgStyle: { fill: '#FFCC00', color: '#fff', fillOpacity: 0.7 },
+    markerEnd: {
+      type: ArrowHeadType.ArrowClosed,
+    },
+  },
+  {
+    id: 'e5-8',
+    source: '5',
+    target: '8',
+    type: 'custom',
+    data: { text: 'custom edge' },
+  },
+  {
+    id: 'e5-9',
+    source: '5',
+    target: '9',
+    type: 'custom2',
+    data: { text: 'custom edge 2' },
+  },
   {
     id: 'e5-6',
     source: '5',
@@ -54,32 +80,23 @@ const initialElements: Elements = [
       </>
     ),
     labelStyle: { fill: 'red', fontWeight: 700 },
-    arrowHeadType: ArrowHeadType.Arrow,
-  },
-  {
-    id: 'e5-7',
-    source: '5',
-    target: '7',
-    label: 'label with styled bg',
-    labelBgPadding: [8, 4],
-    labelBgBorderRadius: 4,
-    labelBgStyle: { fill: '#FFCC00', color: '#fff', fillOpacity: 0.7 },
-    arrowHeadType: ArrowHeadType.ArrowClosed,
-  },
-  {
-    id: 'e5-8',
-    source: '5',
-    target: '8',
-    type: 'custom',
-    data: { text: 'custom edge' },
-    arrowHeadType: ArrowHeadType.ArrowClosed,
-  },
-  {
-    id: 'e5-9',
-    source: '5',
-    target: '9',
-    type: 'custom2',
-    data: { text: 'custom edge 2' },
+    style: { stroke: '#ffcc00' },
+    markerEnd: {
+      type: ArrowHeadType.Arrow,
+      color: '#FFCC00',
+      units: 'userSpaceOnUse',
+      width: 20,
+      height: 20,
+      strokeWidth: 2,
+    },
+    markerStart: {
+      type: ArrowHeadType.ArrowClosed,
+      color: '#FFCC00',
+      orient: 'auto-start-reverse',
+      units: 'userSpaceOnUse',
+      width: 20,
+      height: 20,
+    },
   },
 ];
 
diff --git a/example/src_oldapi/Overview/index.tsx b/example/src_oldapi/Overview/index.tsx
index ee13f916..17e0c9b5 100644
--- a/example/src_oldapi/Overview/index.tsx
+++ b/example/src_oldapi/Overview/index.tsx
@@ -13,7 +13,6 @@ import ReactFlow, {
   OnLoadParams,
   FlowTransform,
   SnapGrid,
-  ArrowHeadType,
   Connection,
   Edge,
 } from 'react-flow-renderer';
@@ -125,7 +124,7 @@ const initialElements: Elements = [
   { id: 'e1-2', source: '1', target: '2', label: 'this is an edge label' },
   { id: 'e1-3', source: '1', target: '3' },
   { id: 'e3-4', source: '3', target: '4', animated: true, label: 'animated edge' },
-  { id: 'e4-5', source: '4', target: '5', arrowHeadType: ArrowHeadType.Arrow, label: 'edge with arrow head' },
+  { id: 'e4-5', source: '4', target: '5', label: 'edge with arrow head' },
   { id: 'e5-6', source: '5', target: '6', type: 'smoothstep', label: 'smooth step edge' },
   {
     id: 'e5-7',
diff --git a/example/src_oldapi/Undirectional/index.tsx b/example/src_oldapi/Undirectional/index.tsx
index f05ad21e..7687f4b0 100644
--- a/example/src_oldapi/Undirectional/index.tsx
+++ b/example/src_oldapi/Undirectional/index.tsx
@@ -12,7 +12,6 @@ import ReactFlow, {
   ConnectionLineType,
   ConnectionMode,
   updateEdge,
-  ArrowHeadType,
 } from 'react-flow-renderer';
 import CustomNode from './CustomNode';
 
@@ -68,8 +67,7 @@ const initialElements: Elements = [
     target: '01',
     sourceHandle: 'left',
     targetHandle: 'bottom',
-    type: 'smoothstep',
-    arrowHeadType: ArrowHeadType.Arrow,
+    type: 'default',
   },
   {
     id: 'e0-1b',
@@ -77,8 +75,7 @@ const initialElements: Elements = [
     target: '01',
     sourceHandle: 'top',
     targetHandle: 'right',
-    type: 'smoothstep',
-    arrowHeadType: ArrowHeadType.Arrow,
+    type: 'default',
   },
   {
     id: 'e0-2a',
@@ -86,8 +83,7 @@ const initialElements: Elements = [
     target: '02',
     sourceHandle: 'top',
     targetHandle: 'left',
-    type: 'smoothstep',
-    arrowHeadType: ArrowHeadType.Arrow,
+    type: 'default',
   },
   {
     id: 'e0-2b',
@@ -95,8 +91,7 @@ const initialElements: Elements = [
     target: '02',
     sourceHandle: 'right',
     targetHandle: 'bottom',
-    type: 'smoothstep',
-    arrowHeadType: ArrowHeadType.Arrow,
+    type: 'default',
   },
   {
     id: 'e0-3a',
@@ -104,8 +99,7 @@ const initialElements: Elements = [
     target: '03',
     sourceHandle: 'right',
     targetHandle: 'top',
-    type: 'smoothstep',
-    arrowHeadType: ArrowHeadType.Arrow,
+    type: 'default',
   },
   {
     id: 'e0-3b',
@@ -113,8 +107,7 @@ const initialElements: Elements = [
     target: '03',
     sourceHandle: 'bottom',
     targetHandle: 'left',
-    type: 'smoothstep',
-    arrowHeadType: ArrowHeadType.Arrow,
+    type: 'default',
   },
   {
     id: 'e0-4a',
@@ -122,8 +115,7 @@ const initialElements: Elements = [
     target: '04',
     sourceHandle: 'bottom',
     targetHandle: 'right',
-    type: 'smoothstep',
-    arrowHeadType: ArrowHeadType.Arrow,
+    type: 'default',
   },
   {
     id: 'e0-4b',
@@ -131,8 +123,7 @@ const initialElements: Elements = [
     target: '04',
     sourceHandle: 'left',
     targetHandle: 'top',
-    type: 'smoothstep',
-    arrowHeadType: ArrowHeadType.Arrow,
+    type: 'default',
   },
   {
     id: 'e0-10',
@@ -140,8 +131,7 @@ const initialElements: Elements = [
     target: '10',
     sourceHandle: 'top',
     targetHandle: 'bottom',
-    type: 'smoothstep',
-    arrowHeadType: ArrowHeadType.Arrow,
+    type: 'default',
   },
   {
     id: 'e0-20',
@@ -149,8 +139,7 @@ const initialElements: Elements = [
     target: '20',
     sourceHandle: 'right',
     targetHandle: 'left',
-    type: 'smoothstep',
-    arrowHeadType: ArrowHeadType.Arrow,
+    type: 'default',
   },
   {
     id: 'e0-30',
@@ -158,8 +147,7 @@ const initialElements: Elements = [
     target: '30',
     sourceHandle: 'bottom',
     targetHandle: 'top',
-    type: 'smoothstep',
-    arrowHeadType: ArrowHeadType.Arrow,
+    type: 'default',
   },
   {
     id: 'e0-40',
@@ -167,8 +155,7 @@ const initialElements: Elements = [
     target: '40',
     sourceHandle: 'left',
     targetHandle: 'right',
-    type: 'smoothstep',
-    arrowHeadType: ArrowHeadType.Arrow,
+    type: 'default',
   },
 ];
 
@@ -181,8 +168,7 @@ const getId = (): ElementId => `${id++}`;
 
 const UpdateNodeInternalsFlow = () => {
   const [elements, setElements] = useState<Elements>(initialElements);
-  const onConnect = (params: Connection | Edge) =>
-    setElements((els) => addEdge({ ...params, type: 'smoothstep' }, els));
+  const onConnect = (params: Connection | Edge) => setElements((els) => addEdge({ ...params, type: 'default' }, els));
   const { project } = useZoomPanHelper();
   const onEdgeUpdate = (oldEdge: Edge, newConnection: Connection) =>
     setElements((els) => updateEdge(oldEdge, newConnection, els));
diff --git a/package-lock.json b/package-lock.json
index 76eefe19..f4030c88 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,17 +1,17 @@
 {
   "name": "react-flow-renderer",
-  "version": "9.6.8",
+  "version": "10.0.0-next.2",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "react-flow-renderer",
-      "version": "9.6.8",
+      "version": "10.0.0-next.2",
       "license": "MIT",
       "dependencies": {
         "@babel/runtime": "^7.15.4",
         "@types/d3": "^7.0.0",
-        "@types/react-redux": "^7.1.18",
+        "@types/react-redux": "^7.1.19",
         "classcat": "^5.0.3",
         "d3-selection": "^3.0.0",
         "d3-zoom": "^3.0.0",
@@ -22,9 +22,9 @@
         "zustand": "^3.5.13"
       },
       "devDependencies": {
-        "@babel/core": "^7.15.5",
-        "@babel/plugin-transform-runtime": "^7.15.0",
-        "@babel/preset-env": "^7.15.6",
+        "@babel/core": "^7.15.8",
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     },
     "normalize-path": {
@@ -17253,6 +17225,12 @@
       "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=",
       "dev": true
     },
+    "picocolors": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-0.2.1.tgz",
+      "integrity": "sha512-cMlDqaLEqfSaW8Z7N5Jw+lyIW869EzT73/F5lhtY9cLGoVxSXznfgfXMO0Z5K0o0Q2TkTXq+0KFsdnSe3jDViA==",
+      "dev": true
+    },
     "picomatch": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.0.tgz",
@@ -17314,13 +17292,13 @@
       }
     },
     "postcss": {
-      "version": "8.3.8",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.8.tgz",
-      "integrity": "sha512-GT5bTjjZnwDifajzczOC+r3FI3Cu+PgPvrsjhQdRqa2kTJ4968/X9CUce9xttIB0xOs5c6xf0TCWZo/y9lF6bA==",
+      "version": "8.3.9",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.9.tgz",
+      "integrity": "sha512-f/ZFyAKh9Dnqytx5X62jgjhhzttjZS7hMsohcI7HEI5tjELX/HxCy3EFhsRxyzGvrzFF+82XPvCS8T9TFleVJw==",
       "dev": true,
       "requires": {
-        "nanocolors": "^0.2.2",
-        "nanoid": "^3.1.25",
+        "nanoid": "^3.1.28",
+        "picocolors": "^0.2.1",
         "source-map-js": "^0.6.2"
       }
     },
diff --git a/package.json b/package.json
index 1aaa2461..33eb1308 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-flow-renderer",
-  "version": "9.6.8",
+  "version": "10.0.0-next.2",
   "engines": {
     "node": ">=12"
   },
@@ -28,12 +28,12 @@
     "cy:open": "cypress open",
     "release": "npm run test && release-it",
     "release:notest": "release-it",
-    "release:next": "release-it --preRelease=next"
+    "release:next": "release-it --preRelease=next --no-git"
   },
   "dependencies": {
     "@babel/runtime": "^7.15.4",
     "@types/d3": "^7.0.0",
-    "@types/react-redux": "^7.1.18",
+    "@types/react-redux": "^7.1.19",
     "classcat": "^5.0.3",
     "d3-selection": "^3.0.0",
     "d3-zoom": "^3.0.0",
@@ -44,9 +44,9 @@
     "zustand": "^3.5.13"
   },
   "devDependencies": {
-    "@babel/core": "^7.15.5",
-    "@babel/plugin-transform-runtime": "^7.15.0",
-    "@babel/preset-env": "^7.15.6",
+    "@babel/core": "^7.15.8",
+    "@babel/plugin-transform-runtime": "^7.15.8",
+    "@babel/preset-env": "^7.15.8",
     "@babel/preset-react": "^7.14.5",
     "@rollup/plugin-babel": "^5.3.0",
     "@rollup/plugin-commonjs": "^21.0.0",
@@ -59,7 +59,7 @@
     "autoprefixer": "^10.3.6",
     "babel-preset-react-app": "^10.0.0",
     "cypress": "^8.5.0",
-    "postcss": "^8.3.8",
+    "postcss": "^8.3.9",
     "postcss-cli": "^9.0.1",
     "postcss-nested": "^5.0.6",
     "prettier": "2.4.1",
diff --git a/src/components/Edges/BezierEdge.tsx b/src/components/Edges/BezierEdge.tsx
index b75eb949..7edb5a42 100644
--- a/src/components/Edges/BezierEdge.tsx
+++ b/src/components/Edges/BezierEdge.tsx
@@ -1,7 +1,7 @@
 import React, { memo } from 'react';
 
 import EdgeText from './EdgeText';
-import { getMarkerEnd, getCenter } from './utils';
+import { getCenter } from './utils';
 import { EdgeProps, Position } from '../../types';
 
 interface GetBezierPathParams {
@@ -36,9 +36,9 @@ export function getBezierPath({
   if (leftAndRight.includes(sourcePosition) && leftAndRight.includes(targetPosition)) {
     path = `M${sourceX},${sourceY} C${cX},${sourceY} ${cX},${targetY} ${targetX},${targetY}`;
   } else if (leftAndRight.includes(targetPosition)) {
-    path = `M${sourceX},${sourceY} C${sourceX},${targetY} ${sourceX},${targetY} ${targetX},${targetY}`;
+    path = `M${sourceX},${sourceY} Q${sourceX},${targetY} ${targetX},${targetY}`;
   } else if (leftAndRight.includes(sourcePosition)) {
-    path = `M${sourceX},${sourceY} C${targetX},${sourceY} ${targetX},${sourceY} ${targetX},${targetY}`;
+    path = `M${sourceX},${sourceY} Q${targetX},${sourceY} ${targetX},${targetY}`;
   }
 
   return path;
@@ -59,8 +59,8 @@ export default memo(
     labelBgPadding,
     labelBgBorderRadius,
     style,
-    arrowHeadType,
-    markerEndId,
+    markerEnd,
+    markerStart,
   }: EdgeProps) => {
     const [centerX, centerY] = getCenter({ sourceX, sourceY, targetX, targetY, sourcePosition, targetPosition });
     const path = getBezierPath({
@@ -85,11 +85,15 @@ export default memo(
       />
     ) : null;
 
-    const markerEnd = getMarkerEnd(arrowHeadType, markerEndId);
-
     return (
       <>
-        <path style={style} d={path} className="react-flow__edge-path" markerEnd={markerEnd} />
+        <path
+          style={style}
+          d={path}
+          className="react-flow__edge-path"
+          markerEnd={markerEnd}
+          markerStart={markerStart}
+        />
         {text}
       </>
     );
diff --git a/src/components/Edges/SmoothStepEdge.tsx b/src/components/Edges/SmoothStepEdge.tsx
index 0c42410a..3bb087dd 100644
--- a/src/components/Edges/SmoothStepEdge.tsx
+++ b/src/components/Edges/SmoothStepEdge.tsx
@@ -1,7 +1,7 @@
 import React, { memo } from 'react';
 
 import EdgeText from './EdgeText';
-import { getMarkerEnd, getCenter } from './utils';
+import { getCenter } from './utils';
 import { EdgeSmoothStepProps, Position } from '../../types';
 
 // These are some helper methods for drawing the round corners
@@ -73,8 +73,8 @@ export function getSmoothStepPath({
         sourceY <= targetY ? rightTopCorner(cX, sourceY, cornerSize) : rightBottomCorner(cX, sourceY, cornerSize);
       secondCornerPath =
         sourceY <= targetY ? bottomLeftCorner(cX, targetY, cornerSize) : topLeftCorner(cX, targetY, cornerSize);
-    } else if (sourcePosition === Position.Right && targetPosition === Position.Left){
-    // and sourceX > targetX
+    } else if (sourcePosition === Position.Right && targetPosition === Position.Left) {
+      // and sourceX > targetX
       firstCornerPath =
         sourceY <= targetY ? leftTopCorner(cX, sourceY, cornerSize) : leftBottomCorner(cX, sourceY, cornerSize);
       secondCornerPath =
@@ -126,8 +126,8 @@ export default memo(
     style,
     sourcePosition = Position.Bottom,
     targetPosition = Position.Top,
-    arrowHeadType,
-    markerEndId,
+    markerEnd,
+    markerStart,
     borderRadius = 5,
   }: EdgeSmoothStepProps) => {
     const [centerX, centerY] = getCenter({ sourceX, sourceY, targetX, targetY, sourcePosition, targetPosition });
@@ -142,8 +142,6 @@ export default memo(
       borderRadius,
     });
 
-    const markerEnd = getMarkerEnd(arrowHeadType, markerEndId);
-
     const text = label ? (
       <EdgeText
         x={centerX}
@@ -159,7 +157,13 @@ export default memo(
 
     return (
       <>
-        <path style={style} className="react-flow__edge-path" d={path} markerEnd={markerEnd} />
+        <path
+          style={style}
+          className="react-flow__edge-path"
+          d={path}
+          markerEnd={markerEnd}
+          markerStart={markerStart}
+        />
         {text}
       </>
     );
diff --git a/src/components/Edges/StraightEdge.tsx b/src/components/Edges/StraightEdge.tsx
index 1bd3dedf..b7f0fac1 100644
--- a/src/components/Edges/StraightEdge.tsx
+++ b/src/components/Edges/StraightEdge.tsx
@@ -1,7 +1,6 @@
 import React, { memo } from 'react';
 
 import EdgeText from './EdgeText';
-import { getMarkerEnd } from './utils';
 import { EdgeProps } from '../../types';
 
 export default memo(
@@ -17,15 +16,14 @@ export default memo(
     labelBgPadding,
     labelBgBorderRadius,
     style,
-    arrowHeadType,
-    markerEndId,
+    markerEnd,
+    markerStart,
   }: EdgeProps) => {
     const yOffset = Math.abs(targetY - sourceY) / 2;
     const centerY = targetY < sourceY ? targetY + yOffset : targetY - yOffset;
 
     const xOffset = Math.abs(targetX - sourceX) / 2;
     const centerX = targetX < sourceX ? targetX + xOffset : targetX - xOffset;
-    const markerEnd = getMarkerEnd(arrowHeadType, markerEndId);
 
     const text = label ? (
       <EdgeText
@@ -47,6 +45,7 @@ export default memo(
           className="react-flow__edge-path"
           d={`M ${sourceX},${sourceY}L ${targetX},${targetY}`}
           markerEnd={markerEnd}
+          markerStart={markerStart}
         />
         {text}
       </>
diff --git a/src/components/Edges/wrapEdge.tsx b/src/components/Edges/wrapEdge.tsx
index 8bb9caae..0e9555e1 100644
--- a/src/components/Edges/wrapEdge.tsx
+++ b/src/components/Edges/wrapEdge.tsx
@@ -6,6 +6,7 @@ import { useStore, useStoreApi } from '../../store';
 import { Edge, EdgeProps, WrapEdgeProps, ReactFlowState } from '../../types';
 import { onMouseDown } from '../../components/Handle/handler';
 import { EdgeAnchor } from './EdgeAnchor';
+import { getMarkerId } from '../../utils/graph';
 
 const selector = (s: ReactFlowState) => ({
   addSelectedElements: s.addSelectedElements,
@@ -32,7 +33,6 @@ export default (EdgeComponent: ComponentType<EdgeProps>) => {
     labelBgPadding,
     labelBgBorderRadius,
     style,
-    arrowHeadType,
     source,
     target,
     sourceX,
@@ -42,7 +42,6 @@ export default (EdgeComponent: ComponentType<EdgeProps>) => {
     sourcePosition,
     targetPosition,
     elementsSelectable,
-    markerEndId,
     isHidden,
     sourceHandleId,
     targetHandleId,
@@ -55,6 +54,8 @@ export default (EdgeComponent: ComponentType<EdgeProps>) => {
     edgeUpdaterRadius,
     onEdgeUpdateStart,
     onEdgeUpdateEnd,
+    markerEnd,
+    markerStart,
   }: WrapEdgeProps): JSX.Element | null => {
     const store = useStoreApi();
     const { addSelectedElements, setConnectionNodeId, unsetNodesSelection, setPosition, connectionMode } = useStore(
@@ -200,6 +201,8 @@ export default (EdgeComponent: ComponentType<EdgeProps>) => {
 
     const onEdgeUpdaterMouseEnter = useCallback(() => setUpdating(true), [setUpdating]);
     const onEdgeUpdaterMouseOut = useCallback(() => setUpdating(false), [setUpdating]);
+    const markerStartUrl = useMemo(() => `url(#${getMarkerId(markerStart)})`, [markerStart]);
+    const markerEndUrl = useMemo(() => `url(#${getMarkerId(markerEnd)})`, [markerEnd]);
 
     if (isHidden) {
       return null;
@@ -229,16 +232,16 @@ export default (EdgeComponent: ComponentType<EdgeProps>) => {
           labelBgBorderRadius={labelBgBorderRadius}
           data={data}
           style={style}
-          arrowHeadType={arrowHeadType}
           sourceX={sourceX}
           sourceY={sourceY}
           targetX={targetX}
           targetY={targetY}
           sourcePosition={sourcePosition}
           targetPosition={targetPosition}
-          markerEndId={markerEndId}
           sourceHandleId={sourceHandleId}
           targetHandleId={targetHandleId}
+          markerStart={markerStartUrl}
+          markerEnd={markerEndUrl}
         />
         {handleEdgeUpdate && (
           <g
diff --git a/src/container/EdgeRenderer/MarkerDefinitions.tsx b/src/container/EdgeRenderer/MarkerDefinitions.tsx
index 2fceee6c..2cdf6203 100644
--- a/src/container/EdgeRenderer/MarkerDefinitions.tsx
+++ b/src/container/EdgeRenderer/MarkerDefinitions.tsx
@@ -1,52 +1,113 @@
-import React, { ReactNode } from 'react';
+import React, { useMemo } from 'react';
 
-interface MarkerProps {
+import { useStore } from '../../store';
+import { EdgeMarker, ArrowHeadType, ReactFlowState } from '../../types';
+import { getMarkerId } from '../../utils/graph';
+interface MarkerProps extends EdgeMarker {
   id: string;
-  children: ReactNode;
 }
-
-const Marker = ({ id, children }: MarkerProps) => (
-  <marker
-    className="react-flow__arrowhead"
-    id={id}
-    markerWidth="12.5"
-    markerHeight="12.5"
-    viewBox="-10 -10 20 20"
-    orient="auto"
-    refX="0"
-    refY="0"
-  >
-    {children}
-  </marker>
-);
-
 interface MarkerDefinitionsProps {
-  color: string;
+  defaultColor: string;
 }
 
-const MarkerDefinitions = ({ color }: MarkerDefinitionsProps) => {
+type SymbolProps = Omit<MarkerProps, 'id' | 'type'>;
+
+const ArrowSymbol = ({ color = 'none', strokeWidth = 1 }: SymbolProps) => {
+  return (
+    <polyline
+      stroke={color}
+      strokeLinecap="round"
+      strokeLinejoin="round"
+      strokeWidth={strokeWidth}
+      fill="none"
+      points="-5,-4 0,0 -5,4"
+    />
+  );
+};
+
+const ArrowClosedSymbol = ({ color = 'none', strokeWidth = 1 }: SymbolProps) => {
+  return (
+    <polyline
+      stroke={color}
+      strokeLinecap="round"
+      strokeLinejoin="round"
+      strokeWidth={strokeWidth}
+      fill={color}
+      points="-5,-4 0,0 -5,4 -5,-4"
+    />
+  );
+};
+
+const markerSymbols = {
+  [ArrowHeadType.Arrow]: ArrowSymbol,
+  [ArrowHeadType.ArrowClosed]: ArrowClosedSymbol,
+};
+
+const Marker = ({
+  id,
+  type,
+  color,
+  width = 12.5,
+  height = 12.5,
+  units = 'strokeWidth',
+  strokeWidth,
+  orient = 'auto',
+}: MarkerProps) => {
+  const Symbol = markerSymbols[type];
+
+  return (
+    <marker
+      className="react-flow__arrowhead"
+      id={id}
+      markerUnits={units}
+      markerWidth={`${width}`}
+      markerHeight={`${height}`}
+      viewBox="-10 -10 20 20"
+      orient={orient}
+      refX="0"
+      refY="0"
+    >
+      <Symbol color={color} strokeWidth={strokeWidth} />
+    </marker>
+  );
+};
+
+const edgesSelector = (s: ReactFlowState) => s.edges;
+
+const MarkerDefinitions = ({ defaultColor }: MarkerDefinitionsProps) => {
+  const edges = useStore(edgesSelector);
+  const markers = useMemo(() => {
+    const ids: string[] = [];
+
+    return edges.reduce<MarkerProps[]>((markers, edge) => {
+      [edge.markerStart, edge.markerEnd].forEach((marker) => {
+        if (marker && typeof marker === 'object') {
+          const markerId = getMarkerId(marker);
+          if (!ids.includes(markerId)) {
+            markers.push({ id: markerId, color: marker.color || defaultColor, ...marker });
+            ids.push(markerId);
+          }
+        }
+      });
+      return markers.sort((a, b) => a.id.localeCompare(b.id));
+    }, []);
+  }, [edges, defaultColor]);
+
   return (
     <defs>
-      <Marker id="react-flow__arrowclosed">
-        <polyline
-          stroke={color}
-          strokeLinecap="round"
-          strokeLinejoin="round"
-          strokeWidth="1"
-          fill={color}
-          points="-5,-4 0,0 -5,4 -5,-4"
+      {markers.map((marker: MarkerProps) => (
+        <Marker
+          id={marker.id}
+          key={marker.id}
+          type={marker.type}
+          color={marker.color}
+          width={marker.width}
+          height={marker.height}
+          units={marker.units}
+          strokeWidth={marker.strokeWidth}
+          orient={marker.orient}
         />
-      </Marker>
-      <Marker id="react-flow__arrow">
-        <polyline
-          stroke={color}
-          strokeLinecap="round"
-          strokeLinejoin="round"
-          strokeWidth="1.5"
-          fill="none"
-          points="-5,-4 0,0 -5,4"
-        />
-      </Marker>
+      ))}
     </defs>
   );
 };
diff --git a/src/container/EdgeRenderer/index.tsx b/src/container/EdgeRenderer/index.tsx
index 8abe99a5..4b707b98 100644
--- a/src/container/EdgeRenderer/index.tsx
+++ b/src/container/EdgeRenderer/index.tsx
@@ -24,8 +24,7 @@ interface EdgeRendererProps {
   connectionLineComponent?: ConnectionLineComponent;
   onEdgeClick?: (event: React.MouseEvent, node: Edge) => void;
   onEdgeDoubleClick?: (event: React.MouseEvent, edge: Edge) => void;
-  arrowHeadColor: string;
-  markerEndId?: string;
+  defaultMarkerColor: string;
   onlyRenderVisibleElements: boolean;
   onEdgeUpdate?: OnEdgeUpdateFunc;
   onEdgeContextMenu?: (event: React.MouseEvent, edge: Edge) => void;
@@ -176,11 +175,12 @@ const Edge = memo(
         labelBgPadding={edge.labelBgPadding}
         labelBgBorderRadius={edge.labelBgBorderRadius}
         style={edge.style}
-        arrowHeadType={edge.arrowHeadType}
         source={edge.source}
         target={edge.target}
         sourceHandleId={sourceHandleId}
         targetHandleId={targetHandleId}
+        markerEnd={edge.markerEnd}
+        markerStart={edge.markerStart}
         sourceX={sourceX}
         sourceY={sourceY}
         targetX={targetX}
@@ -271,12 +271,12 @@ const EdgeRenderer = (props: EdgeRendererProps) => {
     return null;
   }
 
-  const { connectionLineType, arrowHeadColor, connectionLineStyle, connectionLineComponent } = props;
+  const { connectionLineType, defaultMarkerColor, connectionLineStyle, connectionLineComponent } = props;
   const renderConnectionLine = connectionNodeId && connectionHandleType;
 
   return (
     <svg width={width} height={height} className="react-flow__edges">
-      <MarkerDefinitions color={arrowHeadColor} />
+      <MarkerDefinitions defaultColor={defaultMarkerColor} />
       <g transform={`translate(${transform[0]},${transform[1]}) scale(${transform[2]})`}>
         {edges.map((edge: Edge) => {
           const { sourceNode, targetNode } = getSourceTargetNodes(edge, nodes);
@@ -295,7 +295,6 @@ const EdgeRenderer = (props: EdgeRendererProps) => {
               targetNodeY={targetNode?.position.y}
               targetNodeHandleBounds={targetNode?.handleBounds}
               elementsSelectable={elementsSelectable}
-              markerEndId={props.markerEndId}
               onEdgeContextMenu={props.onEdgeContextMenu}
               onEdgeMouseEnter={props.onEdgeMouseEnter}
               onEdgeMouseMove={props.onEdgeMouseMove}
diff --git a/src/container/FlowRenderer/index.tsx b/src/container/FlowRenderer/index.tsx
index 1864927f..91f6681d 100644
--- a/src/container/FlowRenderer/index.tsx
+++ b/src/container/FlowRenderer/index.tsx
@@ -21,6 +21,7 @@ interface FlowRendererProps
     | 'arrowHeadColor'
     | 'onlyRenderVisibleElements'
     | 'selectNodesOnDrag'
+    | 'defaultMarkerColor'
   > {
   children: ReactNode;
 }
diff --git a/src/container/GraphView/index.tsx b/src/container/GraphView/index.tsx
index 24938a74..df89027a 100644
--- a/src/container/GraphView/index.tsx
+++ b/src/container/GraphView/index.tsx
@@ -21,7 +21,7 @@ export interface GraphViewProps extends Omit<ReactFlowProps, 'onSelectionChange'
   onlyRenderVisibleElements: boolean;
   defaultZoom: number;
   defaultPosition: [number, number];
-  arrowHeadColor: string;
+  defaultMarkerColor: string;
   selectNodesOnDrag: boolean;
 }
 
@@ -60,8 +60,7 @@ const GraphView = ({
   defaultZoom,
   defaultPosition,
   preventScrolling,
-  arrowHeadColor,
-  markerEndId,
+  defaultMarkerColor,
   zoomOnScroll,
   zoomOnPinch,
   panOnScroll,
@@ -154,8 +153,6 @@ const GraphView = ({
         connectionLineType={connectionLineType}
         connectionLineStyle={connectionLineStyle}
         connectionLineComponent={connectionLineComponent}
-        arrowHeadColor={arrowHeadColor}
-        markerEndId={markerEndId}
         onEdgeUpdate={onEdgeUpdate}
         onlyRenderVisibleElements={onlyRenderVisibleElements}
         onEdgeContextMenu={onEdgeContextMenu}
@@ -165,6 +162,7 @@ const GraphView = ({
         onEdgeUpdateStart={onEdgeUpdateStart}
         onEdgeUpdateEnd={onEdgeUpdateEnd}
         edgeUpdaterRadius={edgeUpdaterRadius}
+        defaultMarkerColor={defaultMarkerColor}
       />
     </FlowRenderer>
   );
diff --git a/src/container/ReactFlow/index.tsx b/src/container/ReactFlow/index.tsx
index 1e7ba986..c9c184cb 100644
--- a/src/container/ReactFlow/index.tsx
+++ b/src/container/ReactFlow/index.tsx
@@ -114,8 +114,7 @@ export interface ReactFlowProps extends Omit<HTMLAttributes<HTMLDivElement>, 'on
   translateExtent?: TranslateExtent;
   preventScrolling?: boolean;
   nodeExtent?: NodeExtent;
-  arrowHeadColor?: string;
-  markerEndId?: string;
+  defaultMarkerColor?: string;
   zoomOnScroll?: boolean;
   zoomOnPinch?: boolean;
   panOnScroll?: boolean;
@@ -191,8 +190,7 @@ const ReactFlow = forwardRef<ReactFlowRefType, ReactFlowProps>(
       translateExtent,
       preventScrolling = true,
       nodeExtent,
-      arrowHeadColor = '#b1b1b7',
-      markerEndId,
+      defaultMarkerColor = '#b1b1b7',
       zoomOnScroll = true,
       zoomOnPinch = true,
       panOnScroll = false,
@@ -255,8 +253,6 @@ const ReactFlow = forwardRef<ReactFlowRefType, ReactFlowProps>(
             defaultZoom={defaultZoom}
             defaultPosition={defaultPosition}
             preventScrolling={preventScrolling}
-            arrowHeadColor={arrowHeadColor}
-            markerEndId={markerEndId}
             zoomOnScroll={zoomOnScroll}
             zoomOnPinch={zoomOnPinch}
             zoomOnDoubleClick={zoomOnDoubleClick}
@@ -280,6 +276,7 @@ const ReactFlow = forwardRef<ReactFlowRefType, ReactFlowProps>(
             onEdgeUpdateStart={onEdgeUpdateStart}
             onEdgeUpdateEnd={onEdgeUpdateEnd}
             edgeUpdaterRadius={edgeUpdaterRadius}
+            defaultMarkerColor={defaultMarkerColor}
           />
           <StoreUpdater
             nodes={nodes}
diff --git a/src/types/index.ts b/src/types/index.ts
index c9751832..064c4cc4 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -93,6 +93,18 @@ export enum ArrowHeadType {
   ArrowClosed = 'arrowclosed',
 }
 
+export interface EdgeMarker {
+  type: ArrowHeadType;
+  color?: string;
+  width?: number;
+  height?: number;
+  units?: string;
+  orient?: string;
+  strokeWidth?: number;
+}
+
+export type EdgeMarkerType = string | EdgeMarker;
+
 export interface Edge<T = any> {
   id: ElementId;
   type?: string;
@@ -108,13 +120,14 @@ export interface Edge<T = any> {
   labelBgBorderRadius?: number;
   style?: CSSProperties;
   animated?: boolean;
-  arrowHeadType?: ArrowHeadType;
   isHidden?: boolean;
   data?: T;
   className?: string;
   sourceNode?: Node;
   targetNode?: Node;
   isSelected?: boolean;
+  markerStart?: EdgeMarkerType;
+  markerEnd?: EdgeMarkerType;
 }
 
 export enum BackgroundVariant {
@@ -150,7 +163,6 @@ export interface WrapEdgeProps<T = any> {
   labelBgPadding?: [number, number];
   labelBgBorderRadius?: number;
   style?: CSSProperties;
-  arrowHeadType?: ArrowHeadType;
   source: ElementId;
   target: ElementId;
   sourceHandleId: ElementId | null;
@@ -162,7 +174,6 @@ export interface WrapEdgeProps<T = any> {
   sourcePosition: Position;
   targetPosition: Position;
   elementsSelectable?: boolean;
-  markerEndId?: string;
   isHidden?: boolean;
   handleEdgeUpdate: boolean;
   onConnectEdge: OnConnectFunc;
@@ -173,6 +184,8 @@ export interface WrapEdgeProps<T = any> {
   edgeUpdaterRadius?: number;
   onEdgeUpdateStart?: (event: React.MouseEvent, edge: Edge) => void;
   onEdgeUpdateEnd?: (event: MouseEvent, edge: Edge) => void;
+  markerStart?: EdgeMarkerType;
+  markerEnd?: EdgeMarkerType;
 }
 
 export interface EdgeProps<T = any> {
@@ -194,11 +207,11 @@ export interface EdgeProps<T = any> {
   labelBgPadding?: [number, number];
   labelBgBorderRadius?: number;
   style?: CSSProperties;
-  arrowHeadType?: ArrowHeadType;
-  markerEndId?: string;
   data?: T;
   sourceHandleId?: ElementId | null;
   targetHandleId?: ElementId | null;
+  markerStart?: string;
+  markerEnd?: string;
 }
 export interface EdgeSmoothStepProps<T = any> extends EdgeProps<T> {
   borderRadius?: number;
diff --git a/src/utils/graph.ts b/src/utils/graph.ts
index 07ff0662..cda69ca1 100644
--- a/src/utils/graph.ts
+++ b/src/utils/graph.ts
@@ -16,6 +16,7 @@ import {
   EdgeChange,
   NodeChange,
   ReactFlowState,
+  EdgeMarkerType,
 } from '../types';
 
 export const isEdge = (element: Node | Connection | Edge): element is Edge =>
@@ -45,13 +46,29 @@ export const getIncomers = (node: Node, nodes: Node[], edges: Edge[]): Node[] =>
 const getEdgeId = ({ source, sourceHandle, target, targetHandle }: Connection): ElementId =>
   `reactflow__edge-${source}${sourceHandle}-${target}${targetHandle}`;
 
-const connectionExists = (edge: Edge, edges: Edge[]) => {
-  return edges.some(
-    (e) =>
-      edge.source === e.source &&
-      edge.target === e.target &&
-      (edge.sourceHandle === e.sourceHandle || (!edge.sourceHandle && !e.sourceHandle)) &&
-      (edge.targetHandle === e.targetHandle || (!edge.targetHandle && !e.targetHandle))
+export const getMarkerId = (marker: EdgeMarkerType | undefined): string => {
+  if (typeof marker === 'undefined') {
+    return '';
+  }
+
+  if (typeof marker === 'string') {
+    return marker;
+  }
+
+  return Object.keys(marker)
+    .sort()
+    .map((key: string) => `${key}=${(marker as any)[key]}`)
+    .join('&');
+};
+
+const connectionExists = (edge: Edge, elements: Elements) => {
+  return elements.some(
+    (el) =>
+      isEdge(el) &&
+      el.source === edge.source &&
+      el.target === edge.target &&
+      (el.sourceHandle === edge.sourceHandle || (!el.sourceHandle && !edge.sourceHandle)) &&
+      (el.targetHandle === edge.targetHandle || (!el.targetHandle && !edge.targetHandle))
   );
 };